DrawableContainer.java revision 5f49c3023a512efbef8bc9515d310c7a72be4af2
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.graphics.drawable; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19c2974809373697147cbe5754835cc871fb93aef1Dianne Hackbornimport android.content.res.Resources; 2078aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.Canvas; 2178aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.ColorFilter; 22bbd51f1e360b22eece1d74bd65c7e6a0b59dee59Philip Milneimport android.graphics.Insets; 2378aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.PixelFormat; 2478aaa97b77d56e35e994611406deb398eb9005dbGilles Debunneimport android.graphics.Rect; 25079e23575024e103358c982152afb7a720ae1a8aDianne Hackbornimport android.os.SystemClock; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne/** 2878aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * A helper class that contains several {@link Drawable}s and selects which one to use. 2978aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * 3078aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * You can subclass it to create your own DrawableContainers or directly use one its child classes. 3178aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne */ 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DrawableContainer extends Drawable implements Drawable.Callback { 33079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private static final boolean DEBUG = false; 34079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private static final String TAG = "DrawableContainer"; 35211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed 36211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed /** 37211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * To be proper, we should have a getter for dither (and alpha, etc.) 38211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * so that proxy classes like this can save/restore their delegates' 39211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * values, but we don't have getters. Since we do have setters 40211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * (e.g. setDither), which this proxy forwards on, we have to have some 41211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * default/initial setting. 42211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * 43211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * The initial setting for dither is now true, since it almost always seems 44211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed * to improve the quality at negligible cost. 45211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed */ 46211db4a2874f1a2d0e7a8cb8d33e81fa08801763Mike Reed private static final boolean DEFAULT_DITHER = true; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private DrawableContainerState mDrawableContainerState; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Drawable mCurrDrawable; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAlpha = 0xFF; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ColorFilter mColorFilter; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mCurIndex = -1; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mMutated; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // Animations. 56079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private Runnable mAnimationRunnable; 57079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private long mEnterAnimationEnd; 58079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private long mExitAnimationEnd; 59079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn private Drawable mLastDrawable; 60079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // overrides from Drawable 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void draw(Canvas canvas) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.draw(canvas); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 68079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 69079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.draw(canvas); 70079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getChangingConfigurations() 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mDrawableContainerState.mChangingConfigurations 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project | mDrawableContainerState.mChildrenChangingConfigurations; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getPadding(Rect padding) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Rect r = mDrawableContainerState.getConstantPadding(); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (r != null) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project padding.set(r); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.getPadding(padding); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.getPadding(padding); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 941557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne /** 951557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne * @hide 961557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne */ 971557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne @Override 98bbd51f1e360b22eece1d74bd65c7e6a0b59dee59Philip Milne public Insets getLayoutInsets() { 99bbd51f1e360b22eece1d74bd65c7e6a0b59dee59Philip Milne return (mCurrDrawable == null) ? Insets.NONE : mCurrDrawable.getLayoutInsets(); 1001557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne } 1011557fd7809078e421f751efc7d2539b3efdc54b2Philip Milne 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setAlpha(int alpha) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAlpha != alpha) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlpha = alpha; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 107079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd == 0) { 1085f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setAlpha(alpha); 109079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 110079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(false); 111079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDither(boolean dither) { 118a41581ed4033004c73115113f45b9844e9b0210fRomain Guy if (mDrawableContainerState.mDither != dither) { 119a41581ed4033004c73115113f45b9844e9b0210fRomain Guy mDrawableContainerState.mDither = dither; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1215f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setDither(mDrawableContainerState.mDither); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setColorFilter(ColorFilter cf) { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mColorFilter != cf) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mColorFilter = cf; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1315f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setColorFilter(cf); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 136079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 137079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Change the global fade duration when a new drawable is entering 138079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * the scene. 139079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @param ms The amount of time to fade in milliseconds. 140079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 141079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void setEnterFadeDuration(int ms) { 142079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mDrawableContainerState.mEnterFadeDuration = ms; 143079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 144079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 145079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn /** 146079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * Change the global fade duration when a new drawable is leaving 147079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * the scene. 148079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn * @param ms The amount of time to fade in milliseconds. 149079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn */ 150079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void setExitFadeDuration(int ms) { 151079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mDrawableContainerState.mExitFadeDuration = ms; 152079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 153079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onBoundsChange(Rect bounds) { 156079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 157079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setBounds(bounds); 158079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.setBounds(bounds); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isStateful() { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.isStateful(); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 170079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void jumpToCurrentState() { 171079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean changed = false; 172079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 173079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.jumpToCurrentState(); 174079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 175079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 176079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 177079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mCurrDrawable != null) { 178079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.jumpToCurrentState(); 1795f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setAlpha(mAlpha); 180079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 181079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd != 0) { 182079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 183079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 184079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 185079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0) { 186079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 187079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn changed = true; 188079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 189079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (changed) { 190079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn invalidateSelf(); 191079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 192079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 193079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 194079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn @Override 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onStateChange(int[] state) { 196079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 197079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mLastDrawable.setState(state); 198079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.setState(state); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean onLevelChange(int level) { 207079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 208079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mLastDrawable.setLevel(level); 209079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable.setLevel(level); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicWidth() { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantWidth(); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getIntrinsicWidth() : -1; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getIntrinsicHeight() { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantHeight(); 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getIntrinsicHeight() : -1; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getMinimumWidth() { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantMinimumWidth(); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getMinimumWidth() : 0; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getMinimumHeight() { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.isConstantSize()) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState.getConstantMinimumHeight(); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable != null ? mCurrDrawable.getMinimumHeight() : 0; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 248079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void invalidateDrawable(Drawable who) { 249f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 250f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().invalidateDrawable(this); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 254079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void scheduleDrawable(Drawable who, Runnable what, long when) { 255f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 256f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().scheduleDrawable(this, what, when); 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 260079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public void unscheduleDrawable(Drawable who, Runnable what) { 261f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy if (who == mCurrDrawable && getCallback() != null) { 262f2a47782f31b58d2d31bd00b50fe43604af8b9c2Romain Guy getCallback().unscheduleDrawable(this, what); 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean setVisible(boolean visible, boolean restart) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean changed = super.setVisible(visible, restart); 269079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 270079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(visible, restart); 271079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable.setVisible(visible, restart); 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return changed; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOpacity() { 28083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy return mCurrDrawable == null || !mCurrDrawable.isVisible() ? PixelFormat.TRANSPARENT : 28183b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy mDrawableContainerState.getOpacity(); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28478aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne public boolean selectDrawable(int idx) { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (idx == mCurIndex) { 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 288079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 289079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final long now = SystemClock.uptimeMillis(); 290079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 291079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " from " + mCurIndex + " to " + idx 292079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn + ": exit=" + mDrawableContainerState.mExitFadeDuration 293079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn + " enter=" + mDrawableContainerState.mEnterFadeDuration); 294079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 295079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mDrawableContainerState.mExitFadeDuration > 0) { 296079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 297079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(false, false); 298079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrDrawable != null) { 300079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = mCurrDrawable; 301079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = now + mDrawableContainerState.mExitFadeDuration; 302079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 303079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 304079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 306079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else if (mCurrDrawable != null) { 307079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mCurrDrawable.setVisible(false, false); 308079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 309079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 310079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (idx >= 0 && idx < mDrawableContainerState.mNumChildren) { 311079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn Drawable d = mDrawableContainerState.mDrawables[idx]; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable = d; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurIndex = idx; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (d != null) { 3155f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy d.mutate(); 316079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mDrawableContainerState.mEnterFadeDuration > 0) { 317079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = now + mDrawableContainerState.mEnterFadeDuration; 318079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 319079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn d.setAlpha(mAlpha); 320079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setVisible(isVisible(), true); 322a41581ed4033004c73115113f45b9844e9b0210fRomain Guy d.setDither(mDrawableContainerState.mDither); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setColorFilter(mColorFilter); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setState(getState()); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setLevel(getLevel()); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project d.setBounds(getBounds()); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrDrawable = null; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurIndex = -1; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 332079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 333079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0 || mExitAnimationEnd != 0) { 334079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mAnimationRunnable == null) { 335079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mAnimationRunnable = new Runnable() { 336079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn @Override public void run() { 337079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(true); 338079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn invalidateSelf(); 339079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 340079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn }; 341079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 342079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn unscheduleSelf(mAnimationRunnable); 343079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 344079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn // Compute first frame and schedule next animation. 345079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animate(true); 346079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 347079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidateSelf(); 349079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 353079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn void animate(boolean schedule) { 354079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn final long now = SystemClock.uptimeMillis(); 355079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn boolean animating = false; 356079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mCurrDrawable != null) { 357079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd != 0) { 358079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mEnterAnimationEnd <= now) { 3595f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setAlpha(mAlpha); 360079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 361079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 362079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int animAlpha = (int)((mEnterAnimationEnd-now)*255) 363079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn / mDrawableContainerState.mEnterFadeDuration; 364079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " cur alpha " + animAlpha); 3655f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mCurrDrawable.mutate().setAlpha(((255-animAlpha)*mAlpha)/255); 366079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animating = true; 367079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 368079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 369079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 370079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterAnimationEnd = 0; 371079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 372079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mLastDrawable != null) { 373079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd != 0) { 374079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (mExitAnimationEnd <= now) { 375079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable.setVisible(false, false); 376079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mLastDrawable = null; 377079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 378079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 379079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int animAlpha = (int)((mExitAnimationEnd-now)*255) 380079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn / mDrawableContainerState.mExitFadeDuration; 381079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (DEBUG) android.util.Log.i(TAG, toString() + " last alpha " + animAlpha); 3825f49c3023a512efbef8bc9515d310c7a72be4af2Romain Guy mLastDrawable.mutate().setAlpha((animAlpha*mAlpha)/255); 383079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn animating = true; 384079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 385079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 386079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } else { 387079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitAnimationEnd = 0; 388079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 389079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 390079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn if (schedule && animating) { 391079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn scheduleSelf(mAnimationRunnable, now + 1000/60); 392079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 393079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 394079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable getCurrent() { 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrDrawable; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ConstantState getConstantState() { 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawableContainerState.canConstantState()) { 4036efd2bad954e0e5bd74916a32f036a0f149dcd4dChristopher Lais mDrawableContainerState.mChangingConfigurations = getChangingConfigurations(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawableContainerState; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable mutate() { 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mMutated && super.mutate() == this) { 4126be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach final int N = mDrawableContainerState.getChildCount(); 4136be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach final Drawable[] drawables = mDrawableContainerState.getChildren(); 4146be507cc66863a08f08d6c0675e5bc11e5a45d32Phil Dubach for (int i = 0; i < N; i++) { 4151010ac9b7c52b1e2a64e8e1f4dcdb4d79f4d32ccRomain Guy if (drawables[i] != null) drawables[i].mutate(); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMutated = true; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42278aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne /** 42378aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * A ConstantState that can contain several {@link Drawable}s. 42478aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * 42578aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * This class was made public to enable testing, and its visibility may change in a future 42678aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne * release. 42778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne */ 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract static class DrawableContainerState extends ConstantState { 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final DrawableContainer mOwner; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChangingConfigurations; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mChildrenChangingConfigurations; 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable[] mDrawables; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mNumChildren; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mVariablePadding = false; 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect mConstantPadding = null; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mConstantSize = false; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mComputedConstantSize = false; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantWidth; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantHeight; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantMinimumWidth; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mConstantMinimumHeight; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveOpacity = false; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mOpacity; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveStateful = false; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mStateful; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCheckedConstantState; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCanConstantState; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4565140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy boolean mPaddingChecked = false; 457a41581ed4033004c73115113f45b9844e9b0210fRomain Guy 458a41581ed4033004c73115113f45b9844e9b0210fRomain Guy boolean mDither = DEFAULT_DITHER; 4595140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy 460079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mEnterFadeDuration; 461079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn int mExitFadeDuration; 462079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 463c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn DrawableContainerState(DrawableContainerState orig, DrawableContainer owner, 464c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn Resources res) { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwner = owner; 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig != null) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChangingConfigurations = orig.mChangingConfigurations; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenChangingConfigurations = orig.mChildrenChangingConfigurations; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Drawable[] origDr = orig.mDrawables; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = new Drawable[origDr.length]; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren = orig.mNumChildren; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = mNumChildren; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<N; i++) { 478c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn if (res != null) { 479c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawables[i] = origDr[i].getConstantState().newDrawable(res); 480c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } else { 481c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn mDrawables[i] = origDr[i].getConstantState().newDrawable(); 482c2974809373697147cbe5754835cc871fb93aef1Dianne Hackborn } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables[i].setCallback(owner); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = mCanConstantState = true; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVariablePadding = orig.mVariablePadding; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (orig.mConstantPadding != null) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantPadding = new Rect(orig.mConstantPadding); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantSize = orig.mConstantSize; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = orig.mComputedConstantSize; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantWidth = orig.mConstantWidth; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantHeight = orig.mConstantHeight; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = orig.mHaveOpacity; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpacity = orig.mOpacity; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = orig.mHaveStateful; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStateful = orig.mStateful; 500a41581ed4033004c73115113f45b9844e9b0210fRomain Guy 501a41581ed4033004c73115113f45b9844e9b0210fRomain Guy mDither = orig.mDither; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 503079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterFadeDuration = orig.mEnterFadeDuration; 504079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitFadeDuration = orig.mExitFadeDuration; 505079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = new Drawable[10]; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren = 0; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = mCanConstantState = false; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChangingConfigurations() { 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChangingConfigurations; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int addChild(Drawable dr) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int pos = mNumChildren; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos >= mDrawables.length) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project growArray(pos, pos+10); 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setVisible(false, true); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dr.setCallback(mOwner); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables[pos] = dr; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumChildren++; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChildrenChangingConfigurations |= dr.getChangingConfigurations(); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = false; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = false; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantPadding = null; 5355140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy mPaddingChecked = false; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = false; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pos; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54183b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getChildCount() { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumChildren; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54583b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final Drawable[] getChildren() { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDrawables; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** A boolean value indicating whether to use the maximum padding value of 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all frames in the set (false), or to use the padding value of the frame 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * being shown (true). Default value is false. 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 55383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final void setVariablePadding(boolean variable) { 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVariablePadding = variable; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55783b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final Rect getConstantPadding() { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mVariablePadding) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5615140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy if (mConstantPadding != null || mPaddingChecked) { 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantPadding; 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5655140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy Rect r = null; 56683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Rect t = new Rect(); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 56883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 56983b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 0; i < N; i++) { 57083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy if (drawables[i].getPadding(t)) { 5715140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy if (r == null) r = new Rect(0, 0, 0, 0); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.left > r.left) r.left = t.left; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.top > r.top) r.top = t.top; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.right > r.right) r.right = t.right; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t.bottom > r.bottom) r.bottom = t.bottom; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5785140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy mPaddingChecked = true; 5795140141c2637b89ad0d86c3b715459a1e7b92729Romain Guy return (mConstantPadding = r); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58283b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final void setConstantSize(boolean constant) { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantSize = constant; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final boolean isConstantSize() { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantSize; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantWidth() { 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantWidth; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 59883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantHeight() { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantHeight; 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantMinimumWidth() { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantMinimumWidth; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 61483b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getConstantMinimumHeight() { 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mComputedConstantSize) { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeConstantSize(); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mConstantMinimumHeight; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62278aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne protected void computeConstantSize() { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mComputedConstantSize = true; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 62683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 62778aaa97b77d56e35e994611406deb398eb9005dbGilles Debunne mConstantWidth = mConstantHeight = -1; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstantMinimumWidth = mConstantMinimumHeight = 0; 62983b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 0; i < N; i++) { 63083b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy Drawable dr = drawables[i]; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int s = dr.getIntrinsicWidth(); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantWidth) mConstantWidth = s; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getIntrinsicHeight(); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantHeight) mConstantHeight = s; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getMinimumWidth(); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantMinimumWidth) mConstantMinimumWidth = s; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = dr.getMinimumHeight(); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > mConstantMinimumHeight) mConstantMinimumHeight = s; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 642079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final void setEnterFadeDuration(int duration) { 643079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mEnterFadeDuration = duration; 644079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 645079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 646079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final int getEnterFadeDuration() { 647079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mEnterFadeDuration; 648079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 649079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 650079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final void setExitFadeDuration(int duration) { 651079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn mExitFadeDuration = duration; 652079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 653079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 654079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn public final int getExitFadeDuration() { 655079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn return mExitFadeDuration; 656079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn } 657079e23575024e103358c982152afb7a720ae1a8aDianne Hackborn 65883b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public final int getOpacity() { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveOpacity) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOpacity; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 66483b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy final Drawable[] drawables = mDrawables; 66583b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy int op = N > 0 ? drawables[0].getOpacity() : PixelFormat.TRANSPARENT; 66683b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy for (int i = 1; i < N; i++) { 66783b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy op = Drawable.resolveOpacity(op, drawables[i].getOpacity()); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOpacity = op; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveOpacity = true; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return op; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final boolean isStateful() { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveStateful) { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStateful; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean stateful = false; 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = getChildCount(); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < N; i++) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawables[i].isStateful()) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stateful = true; 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStateful = stateful; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveStateful = true; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return stateful; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 69383b2107c4d2f07f46b6ae663115421749486f8b1Romain Guy public void growArray(int oldSize, int newSize) { 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Drawable[] newDrawables = new Drawable[newSize]; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.arraycopy(mDrawables, 0, newDrawables, 0, oldSize); 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawables = newDrawables; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public synchronized boolean canConstantState() { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mCheckedConstantState) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanConstantState = true; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int N = mNumChildren; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<N; i++) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDrawables[i].getConstantState() == null) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanConstantState = false; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckedConstantState = true; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCanConstantState; 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setConstantState(DrawableContainerState state) 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDrawableContainerState = state; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 721